MALICIOUS
74
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for a URI redirector, specifically identified as an 'Image lure linking to an SEO redirector (free-download phishing)'. The document body and extracted URLs point to the domain 'renimba.info', which is likely used to host malicious content or phishing pages. No scripts were extracted, but the presence of a redirector URL strongly suggests an attempt to lure the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.7668
Heuristics 3
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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External URI info PDF_URIPDF contains an external URL action
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://renimba.info/wp1?keyword=%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B9+%D0%B7+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D0%B3%D0%B4%D0%B7 PDF link annotation
- https://img1.liveinternet.ru/images/attach/d/0//5909/5909410_namgdzchteniiarabotastekstamikrylova2klassfapel.pdfIn PDF document text
- https://pesatemea1975.files.wordpress.com/2018/04/fidere-otkuda-berutsia-deti-kniga-dlia-detei-sssr-skachat-zezomivor.pdfIn PDF document text
- https://vartoiprecfil1987.files.wordpress.com/2018/04/tisejiviporajan-kak-prazdnuiut-blagoveshchenie-na-rusi-prezentatsiia-fowejuwuzonovor.pdfIn PDF document text
- https://natejuggnber1976.files.wordpress.com/2018/04/sawigep-filips-ksenium-311-instruktsiia-guporisasiluf.pdfIn PDF document text
- https://golddocklange1971.files.wordpress.com/2018/04/wonupol-krasivye-fenechki-iz-muline-skhemy-legkie-giwuzam.pdfIn PDF document text
- https://presacbrigwic1980.files.wordpress.com/2018/04/gikidosutosawe-konsol-dlia-vedmaka-3-skachat-sibitoza.pdfIn PDF document text
- https://img1.liveinternet.ru/images/attach/d/0//5909/5909105_xawargdzporusskomuiazyku5klasspotapovazachiotnyerabotywezor.pdfIn PDF document text
- https://inpetfipen1982.files.wordpress.com/2018/04/weneruz-zadanie-na-angliiskom-iazyke-7-klass-napisat-pismo-drugu-vofebipuf.pdfIn PDF document text
- https://img1.liveinternet.ru/images/attach/d/0//5909/5909291_tubefizikareshebnik8klassperyshkinzadachniknojap.pdfIn PDF document text
- https://freepeginpi1984.files.wordpress.com/2018/04/tifufidor-shkala-perevoda-ballov-ege-2017-istoriia-dagatigexiwepu.pdfIn PDF document text
- https://krisaradre1989.files.wordpress.com/2018/04/jepiv-retsept-rogalikov-na-moloke-s-drozhzhami-s-foto-bujikovobumewov.pdfIn PDF document text
- https://img0.liveinternet.ru/images/attach/d/0//5910/5910167_duvogdzpriznakipodobiiatreugolnikovdexe.pdfIn PDF document text
- https://img1.liveinternet.ru/images/attach/d/0//5907/5907635_miledowmaksimalnyiballpomatematikeege2015profilnyiurovenzonu.pdfIn PDF document text
- https://stanwymilynn1983.files.wordpress.com/2018/04/zipumevu-akvatoriia-serial-2017-skachat-torrent-9-16-serii-muwulaxelita.pdfIn PDF document text
- https://condokabe1985.files.wordpress.com/2018/04/kixozubidi-aqs-su-uchebnik-obshchestvoznanie-lobum.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn extracted file (font_00_sfnt_off0002d44a.bin)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_002_off0000a46b.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA46B | 1485561 bytes |
SHA-256: 1718db8b7c6a44712dc1b3acee434281abf7527ebf6ea299260c2277eb5af585 |
|||
font_00_sfnt_off0002d44a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2D44A | 28468 bytes |
SHA-256: cbaf733ed29b85c01ea6cb1044812bb1051a2d0e106c07b18b3da03c1855ffac |
|||
font_01_sfnt_off00031530.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x31530 | 14628 bytes |
SHA-256: 4c4533dcb4fd514b6795d112253d5b578dc8bd0d4d3a5b97218c7e41925236a5 |
|||
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